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Cast, milled and EBM-manufactured titanium, differences in porcelain shear
Malmö universitet, Odontologiska fakulteten (OD).ORCID-id: 0000-0001-6260-473X
Malmö universitet, Odontologiska fakulteten (OD).
Malmö universitet, Odontologiska fakulteten (OD).
Malmö universitet, Odontologiska fakulteten (OD).
Vise andre og tillknytning
2018 (engelsk)Inngår i: Dental materials journal, ISSN 0287-4547, Vol. 37, nr 2, s. 214-221Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The objectives were to analyze the oxide layer generated between titanium and porcelain during firing and compare it in different manufacturing techniques: cast, milled and EBM-technique. Seventy two specimens were manufactured, subdivided according to surface treatment: time of passivation (P) and no time of passivation (NP) before porcelain firing. Specimens from each group were analyzed with scanning electron microscopy: one only fired once, and one subjected to six firings. Remaining specimens were subjected to shear bond strength test. The EBM-produced NP-group had highest mean value (25.0 MPa) and the milled P-group showed lowest mean value (18.5 MPa) when all factors were compared. No significant difference was detected according to time of passivation. SEM showed consistent and well-defined boundary between the different layers. Time of passivation and impact on oxide growth was not detected. The bond strength of porcelain to milled titanium is lower when compared to cast titanium and EBM-produced titanium.

sted, utgiver, år, opplag, sider
Japanese Society for Dental Materials and Devices , 2018. Vol. 37, nr 2, s. 214-221
Emneord [en]
Bond strength, Oxide, Porcelain fused to metal, Surface properties, Titanium
HSV kategori
Identifikatorer
URN: urn:nbn:se:mau:diva-15281DOI: 10.4012/dmj.2016-404ISI: 000433273400006PubMedID: 28883299Scopus ID: 2-s2.0-85044758959Lokal ID: 23683OAI: oai:DiVA.org:mau-15281DiVA, id: diva2:1418802
Tilgjengelig fra: 2020-03-30 Laget: 2020-03-30 Sist oppdatert: 2024-03-27bibliografisk kontrollert

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